Creating a .img file help plz

O.K. guys i am pretty experienced in making dvds or so i like to think i..haha, anyway for a while ive been getting img files from this place and they work find when i burn them with discjuggler, but now that place is just about shut down so i am going to have to do it myself now i followed a guide to shrink it than create the img file, i shrunk it just fine and it plays in daemon tools fine but when i try to create the img through img tools it says cant find video_ts folder or the video.ifo i have tried creating the drive and it still wont find iti am stumped I made the folders all caps and underscore too if anyone knows what i am doing wrong could you give me a little help plz or if there is a better prog to use then img tools it would be greatly appreciated aim:bribo247 yim:bribo247 or just post if thats easier thx a lot in advance